Home / 312,955,899.40-439,045,251.80-312,955,899.40

Finding the Fourth Proportional to 312,955,899.40, 439,045,251.80 and 312,955,899.40

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Solution

The fourth proportional to 312,955,899.40, 439,045,251.80 and 312,955,899.40 is: 439,045,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,955,899.40 : 439,045,251.80 = 312,955,899.40 : x
  2. Step 2: Convert to fraction form
    312,955,899.40/439,045,251.80 = 312,955,899.40/x
  3. Step 3: Cross multiply
    312,955,899.40x = 439,045,251.80 × 312,955,899.40
  4. Step 4: Simplify right side
    312,955,899.40x = 137,401,801,654,368,464
  5. Step 5: Solve for x
    x = 137,401,801,654,368,464/312,955,899.40
  6. Step 6: Final answer
    x = 439,045,251.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.